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Full Discussion: need help Greping "$size[0]"
Top Forums UNIX for Dummies Questions & Answers need help Greping "$size[0]" Post 302210052 by zaxxon on Monday 30th of June 2008 02:44:50 AM
Old 06-30-2008
If you are using bash and want to grep for all elements of the array at once, you should use syntax like:
Code:
grep ${size[*]}

If you want to grep only for a single element of that array:
Code:
grep ${size[0]}

If you want to check for each element of that array, you have to increase the index in the brackets by 1 inside some loop, for, while, whatever.
 

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LEARN ABOUT X11R4

zgrep

ZGREP(1)                                                      General Commands Manual                                                     ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep  options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

                                                                                                                                          ZGREP(1)
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